When geologists want to study an active earthquake fault, they often rely on a trenching study. ... They brace the walls, if needed, to prevent cave-ins, then they climb down into the trench and carefully map its walls, looking for signs of past earthquakes and ground movement.
Answer:
A breakdown in trading alliances change or loss of local culture a decrease in avilable jobs
Answer:
it destroyed the villages around it caused fiancee devastation
The anwser is A- Restaurants
